The Bulgarian Bag training according to the SUPLES system consists of exercises involving the participation of many muscle groups in each movement. Bulgarian Bag is a training program that mainly includes exercises imitating various techniques and movements in wrestling. The trainings are modeled mainly to achieve high strength endurance. The goal of strength endurance training with the Bulgarian Bag is to perform the exercises in series of 15-20 repetitions or from 30 seconds to 1 minute with a very short rest interval between sets (about 10 seconds). In addition to strength training, routines for speed and explosive power are included.